Speedrite Solar electric fencing installations provide reliability & durability year in & year out. For the confidence that your fence is performing in even the most isolated locations, step up to a Speedrite Solar Installation! They provide fast charging of batteries through superior conversion efficiency of sunlight to electrical current. They are built with premium, high efficient polycrystalline panels, rugged aluminum framing & diodes & regulators to prevent overcharging of the batteries. This unit is constructed with the Speedrite 2000 fence energizer with 2J of output & a 20 watt panel only. User would need to provide their own battery. Speedrites 2 year warranty applies.